The problem is for Tom to work out.A. enough easyB. easy enoughC. easily enoughD. enough

问题补充：

The problem is for Tom to work out.

A. enough easy

B. easy enough

C. easily enough

D. enough easily

答案：

A. enough easy

(答案→)B. easy enough

C. easily enough

D. enough easily

解析：考查形容词和副词。句意为：这个问题很简单，汤姆能解答出来。首先，这里要用形容词作表语，故C, D不对；然后，enough要放在所修饰的形容词和副词的后面。故选B。